BS EN 61482-1-2:2007 - Live working. Protective clothing against the thermal hazards of an electric arc. Test methods. Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)

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BS EN 61482-1-2:2007

Live working. Protective clothing against the thermal hazards of an electric arc. Test methods. Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)

Status : Superseded, Withdrawn   Published : July 2007 Replaced By : BS EN 61482-1-2:2014

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This part of IEC 61482 specifies methods to test material and garments intended for use in heat- and flame-resistant clothing for workers exposed to electric arcs. In contrast to the test methods in IEC 61482-1-1 a directed and constrained electric arc in a low voltage circuit is used to classify material and clothing in defined arc protection classes. The test methods specified in this document are aimed at rendering a decision whether arc thermal protection is met under defined conditions. Two protection classes are tested. Protection class 1 and protection class 2 are safety requirements covering actual risk potentials due to electric fault arcs. The test methods are not directed toward measuring the arc thermal performance value (ATPV). Methods determining the ATPV are prescribed in IEC 61482-1-1. This standard specifies tests with which it is possible to evaluate materials and protective clothing based on the use of a directed and constrained electric arc under defined laboratory conditions (box-test). A practical scenario concerning test set-up and test conditions, electrical and constructional parameters is selected. For the tests a low voltage procedure is used. The tests can optionally be carried out in two fixed test classes, selected by the amount of prospective short circuit current: Class 1: 4 kA; Class 2: 7 kA. The defined duration of the electric arc is 500 ms in both test classes. Materials and clothing will be tested with two methods: the material box test method and the garment box test method. The material box test method is used to measure and find material response to an arc exposure when tested in a flat configuration. A quantitative measurement of the arc thermal performance is made by means of the energy transmitted through the material. The garment box test method is used to test the function of the protective clothing after an arc exposure, including all the garment findings, sewing tread, fastenings and other accessories; no heat flux will be measured. Testing refers to the thermal arc effects; it does not apply to other effects like noise, light emissions, pressure rise, hot oil, electric shock, the consequences of physical and mental shock or toxic influences.




Standard NumberBS EN 61482-1-2:2007
TitleLive working. Protective clothing against the thermal hazards of an electric arc. Test methods. Determination of arc protection class of material and clothing by using a constrained and directed arc (box test)
StatusSuperseded, Withdrawn
Publication Date31 July 2007
Withdrawn Date17 July 2018
Cross ReferencesIEC 60584-1, ISO 3175-2, ISO 6330, ISO 9151, EN 60584-1:1995, EN ISO 3175-2:1998, EN ISO 6330:2000
Replaced ByBS EN 61482-1-2:2014
ReplacesDD ENV 50354:2001
International RelationshipsEN 61482-1-2:2007,EN 61837-3:2000,IEC 61482-1-2:2007,IEC 61837-3:2000
Draft Superseded By97/230675 DC
DescriptorsThermal insulating materials, Thermal testing, Electricity workers, Safety measures, Fire resistance, Test specimens, Test equipment, Protective clothing, Heat-resistant materials, Occupational safety, Electrical testing, Thermal resistance, Grades (quality), Thermal protection, Electrical safety, Electric arcs, Flameproof materials, Live working
ICS13.220.40
13.340.10
29.260.99
Title in FrenchTravaux sous tension. Vêtements de protection contre les dangers thermiques d'un arc électrique. Méthodes d'essai. Détermination de la classe de protection contre l'arc de matériaux et de vêtements au moyen d'un arc dirigé et contraint (enceinte d'essai)
Title in GermanArbeiten unter Spannung. Schutzkleidung gegen die thermischen Gefahren eines elektrischen Lichtbogens. Prüfverfahren. Bestimmung der eines gerichteten Prüflichtbogens (Box-Test)
CommitteePEL/78
ISBN978 0 580 57061 2
PublisherBSI
FormatA4
DeliveryYes
Pages32
File Size781 KB
Price£176.00


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